| Due to its geographical location the weather in Koh Chang is highly variable. Island unlike the rest of Thailand has 2 seasons. The rainy season here lasts from june to october and dry from november to may. Most visitors travel to Koh Chang between november and april, it is also the best time to visit, as temperatures rarely exceed more than 30 °. In october and december at the evening and night time the sea breezes can be very cool. Sometimes, as elsewhere are tropical downpours. The wettest month is august with an average rainfall of 700mm.
Due to winter monsoon, the sea level on the island is much higher than in summer. Koh Chang has an average temperature not too low and not too high. It affects the north-east and south-west monsoons. From may to october to Koh Chang's west coast is more or less influenced by the southern monsoon, thus limiting in some period of transportation by sea. However, you can visit Koh Chang all year round. The best months to visit the island is from November to may. Some hotels and resorts are closed during the monsoon season, but many places stay open all year. Those looking for peace and solitude will not regret visiting Koh Chang in the rainy months, because the rain is not every day and not all day.